| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * Setting some often needed namespace prefixes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | EasyRdf\RdfNamespace::set('skosmos', 'http://purl.org/net/skosmos#'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | EasyRdf\RdfNamespace::set('skosext', 'http://purl.org/finnonto/schema/skosext#'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | EasyRdf\RdfNamespace::delete('geo'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | EasyRdf\RdfNamespace::set('wgs84', 'http://www.w3.org/2003/01/geo/wgs84_pos#'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | EasyRdf\RdfNamespace::set('isothes', 'http://purl.org/iso25964/skos-thes#'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | EasyRdf\RdfNamespace::set('mads', 'http://www.loc.gov/mads/rdf/v1#'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | EasyRdf\RdfNamespace::set('wd', 'http://www.wikidata.org/entity/'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | EasyRdf\RdfNamespace::set('wdt', 'http://www.wikidata.org/prop/direct/'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * GlobalConfig provides access to the Skosmos configuration. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | class GlobalConfig extends BaseConfig { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |     /** Cache reference */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     private $cache; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |     /** Location of the configuration file. Used for caching. */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     private $filePath; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     /** Namespaces from vocabularies configuration file. */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     private $namespaces; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     /** EasyRdf\Graph graph */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     private $graph; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      * @var int the time the config file was last modified | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     private $configModifiedTime = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     public function __construct($config_name='/../config.ttl') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |         $this->cache = new Cache(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |         try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |             $this->filePath = realpath( dirname(__FILE__) . $config_name ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |             if (!file_exists($this->filePath)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |                 throw new Exception('config.ttl file is missing, please provide one.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |             $this->initializeConfig(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |         } catch (Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |             echo "Error: " . $e->getMessage(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |             return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 47 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 48 |  |  |     public function getCache() | 
            
                                                                        
                            
            
                                    
            
            
                | 49 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 50 |  |  |         return $this->cache; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |      * @return int the time the config file was last modified | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     public function getConfigModifiedTime() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         return $this->configModifiedTime; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * Initialize configuration, reading the configuration file from disk or URL, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * and creating the graph and resources objects. Uses a cache if available, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      * in order to avoid re-loading the complete configuration on each request. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |     private function initializeConfig() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |             // retrieve last modified time for config file (filemtime returns int|bool!) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |             $configModifiedTime = filemtime($this->filePath); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |             if (!is_bool($configModifiedTime)) { | 
                            
                    |  |  |  | 
                                                                                        
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                | 72 |  |  |                 $this->configModifiedTime = $configModifiedTime; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |             // use APC user cache to store parsed config.ttl configuration | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |             if ($this->cache->isAvailable() && !is_null($this->configModifiedTime)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |                 // @codeCoverageIgnoreStart | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |                 $key = realpath($this->filePath) . ", " . $this->configModifiedTime; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |                 $nskey = "namespaces of " . $key; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |                 $this->graph = $this->cache->fetch($key); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |                 $this->namespaces = $this->cache->fetch($nskey); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |                 if ($this->graph && $this->namespaces) { // found in cache | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |                     $this->resource = $this->configResource($this->graph, "cache"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |                 } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |                     $this->parseConfig($this->filePath); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |                     $this->cache->store($key, $this->graph); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |                     $this->cache->store($nskey, $this->namespaces); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |                 // @codeCoverageIgnoreEnd | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |             } else { // APC not available, parse on every request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |                 $this->parseConfig($this->filePath); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |             $this->initializeNamespaces(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |         } catch (Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |             echo "Error: " . $e->getMessage(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |         }       | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |      * Ensure there is exactely one skosmos:Configuration and return it. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |     private function configResource($graph, $source) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |         $configResources = $graph->allOfType("skosmos:Configuration"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |         if (is_null($configResources) || !is_array($configResources) || count($configResources) !== 1) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |             throw new Exception("$source must have exactly one skosmos:Configuration"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |         return $configResources[0]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |      * Retrieves and parses configuration with optional inclusion. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |      * @param string file or URL of configuration in Turtle syntax. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      * @param int inclusion depth (0 for root configuration) | 
                            
                    |  |  |  | 
                                                                                        
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                | 114 |  |  |      * @throws \EasyRdf\Exception | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |     private function parseConfig($location, $depth=0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |         if (str_starts_with($location, "http://") || str_starts_with($location, "https://")) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |             $ch = curl_init($location); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |             curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |             curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-type: text/turtle')); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |             $turtle = curl_exec($ch); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |             $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |             if ($httpCode != 200 && $httpCode != 303) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |                 throw new Exception("Failed to include configuration from $location"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |             curl_close($ch); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |             if (file_exists($location)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |                 $turtle = file_get_contents($location); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |             } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |                 throw new Exception("Config file $location does not exist!"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |         $parser = new SkosmosTurtleParser(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |         try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |             $graph = $parser->parseGraph($turtle, $location); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |             $namespaces = $parser->getNamespaces(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |         } catch (Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |             throw new Exception("Failed to parse $location: " . $e->getMessage()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |         $configResource = $this->configResource($graph, $location); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |         if ($depth === 0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |             $this->graph = $graph; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |             $this->namespaces = $namespaces; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |             $this->resource = $configResource; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |             // Add triples to existing configuration | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |             foreach($graph->resources() as $resource) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |                 $subject = $resource == $configResource ? $this->resource : $resource; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |                 foreach($graph->properties($resource) as $property) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |                     foreach($resource->all($property) as $value) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |                         $this->graph->add($subject, $property, $value); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |                     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |             // Add namespaces unless prefix has been defined | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |             foreach ($namespaces as $prefix => $fullUri) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |                 if (!isset($this->namespaces[$prefix])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |                     $this->namespaces[$prefix] = $fullUri; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |         // only include up to four levels | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |         if ($depth < 4) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |             $includes = $this->graph->allResources($this->resource, "skosmos:includeConfig"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |             foreach($includes as $location) { | 
                            
                    |  |  |  | 
                                                                                        
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                | 171 |  |  |                 $this->parseConfig($location->getUri(), $depth+1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |      * Returns the graph created after parsing the configuration file. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |      * @return \EasyRdf\Graph | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |     public function getGraph() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |         return $this->graph; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |      * Registers RDF namespaces from the config.ttl file for use by EasyRdf (e.g. serializing) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |     private function initializeNamespaces() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |         foreach ($this->namespaces as $prefix => $fullUri) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |             if ($prefix != '' && EasyRdf\RdfNamespace::get($prefix) === null) // if not already defined | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |             { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |                 EasyRdf\RdfNamespace::set($prefix, $fullUri); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |      * Returns the UI languages specified in the configuration or defaults to | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |      * only show English | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |      * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |     public function getLanguages() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |         $languageResources = $this->getResource()->getResource('skosmos:languages'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |         if (!is_null($languageResources) && !empty($languageResources)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |             $languages = array(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |             foreach ($languageResources as $languageResource) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |                 /** @var \EasyRdf\Literal $languageName */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |                 $languageName = $languageResource->getLiteral('rdfs:label'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |                 /** @var \EasyRdf\Literal $languageValue */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |                 $languageValue = $languageResource->getLiteral('rdf:value'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |                 if ($languageName && $languageValue) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |                     $languages[$languageName->getValue()] = $languageValue->getValue(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |             return $languages; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |             return array('en' => 'en_GB.utf8'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  |      * Returns the external HTTP request timeout in seconds or the default value | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |      * of 5 seconds if not specified in the configuration. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |      * @return integer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |     public function getHttpTimeout() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  |         return $this->getLiteral('skosmos:httpTimeout', 5); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  |      * Returns the SPARQL HTTP request timeout in seconds or the default value | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  |      * of 20 seconds if not specified in the configuration. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  |      * @return integer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |     public function getSparqlTimeout() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  |         return $this->getLiteral('skosmos:sparqlTimeout', 20); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  |      * Returns the sparql endpoint address defined in the configuration. If | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  |      * not then defaulting to http://localhost:3030/ds/sparql | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  |     public function getDefaultEndpoint() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  |         $endpoint = $this->resource->get('skosmos:sparqlEndpoint'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  |         if ($endpoint) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  |             return $endpoint->getUri(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  |         } elseif (getenv('SKOSMOS_SPARQL_ENDPOINT')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  |             return getenv('SKOSMOS_SPARQL_ENDPOINT'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  |             return 'http://localhost:3030/ds/sparql'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 |  |  |      * Returns the maximum number of items to return in transitive queries if defined | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 |  |  |      * in the configuration or the default value of 1000. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  |      * @return integer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 |  |  |     public function getDefaultTransitiveLimit() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 |  |  |         return $this->getLiteral('skosmos:transitiveLimit', 1000); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 |  |  |      * Returns the maximum number of items to load at a time if defined | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 |  |  |      * in the configuration or the default value of 20. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 272 |  |  |      * @return integer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 |  |  |     public function getSearchResultsSize() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 |  |  |         return $this->getLiteral('skosmos:searchResultsSize', 20); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 278 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 279 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 280 |  |  |      * Returns the configured location for the twig template cache and if not | 
            
                                                                                                            
                            
            
                                    
            
            
                | 281 |  |  |      * defined defaults to "/tmp/skosmos-template-cache" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 282 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 283 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 284 |  |  |     public function getTemplateCache() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 285 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 286 |  |  |         return $this->getLiteral('skosmos:templateCache', '/tmp/skosmos-template-cache'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 287 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 288 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 289 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 290 |  |  |      * Returns the defined sparql-query extension eg. "JenaText" or | 
            
                                                                                                            
                            
            
                                    
            
            
                | 291 |  |  |      * if not defined falling back to SPARQL 1.1 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 292 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 293 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 294 |  |  |     public function getDefaultSparqlDialect() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 295 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 296 |  |  |         return $this->getLiteral('skosmos:sparqlDialect', 'Generic'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 297 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 298 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 299 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 300 |  |  |      * Returns the feedback address defined in the configuration. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 301 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 302 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 303 |  |  |     public function getFeedbackAddress() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 304 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 305 |  |  |         return $this->getLiteral('skosmos:feedbackAddress', null); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 306 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 307 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 308 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 309 |  |  |      * Returns the feedback sender address defined in the configuration. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 310 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 311 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 312 |  |  |     public function getFeedbackSender() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 313 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 314 |  |  |         return $this->getLiteral('skosmos:feedbackSender', null); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 315 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 316 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 317 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 318 |  |  |      * Returns the feedback envelope sender address defined in the configuration. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 319 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 320 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 321 |  |  |     public function getFeedbackEnvelopeSender() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 322 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 323 |  |  |         return $this->getLiteral('skosmos:feedbackEnvelopeSender', null); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 324 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 325 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 326 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 327 |  |  |      * Returns true if exception logging has been configured. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 328 |  |  |      * @return boolean | 
            
                                                                                                            
                            
            
                                    
            
            
                | 329 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 330 |  |  |     public function getLogCaughtExceptions() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 331 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 332 |  |  |         return $this->getBoolean('skosmos:logCaughtExceptions', FALSE); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 333 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 334 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 335 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 336 |  |  |      * Returns true if browser console logging has been enabled, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 337 |  |  |      * @return boolean | 
            
                                                                                                            
                            
            
                                    
            
            
                | 338 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 339 |  |  |     public function getLoggingBrowserConsole() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 340 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 341 |  |  |         return $this->getBoolean('skosmos:logBrowserConsole', FALSE); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 342 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 343 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 344 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 345 |  |  |      * Returns the name of a log file if configured, or NULL otherwise. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 346 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 347 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 348 |  |  |     public function getLoggingFilename() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 349 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 350 |  |  |         return $this->getLiteral('skosmos:logFileName', null); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 351 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 352 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 353 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 354 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 355 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 356 |  |  |     public function getServiceName() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 357 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 358 |  |  |         return $this->getLiteral('skosmos:serviceName', 'Skosmos'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 359 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 360 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 361 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 362 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 363 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 364 |  |  |     public function getCustomCss() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 365 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 366 |  |  |         return $this->getLiteral('skosmos:customCss', null); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 367 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 368 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 369 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 370 |  |  |      * @return boolean | 
            
                                                                                                            
                            
            
                                    
            
            
                | 371 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 372 |  |  |     public function getUiLanguageDropdown() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 373 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 374 |  |  |         return $this->getBoolean('skosmos:uiLanguageDropdown', FALSE); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 375 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 376 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 377 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 378 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 379 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 380 |  |  |     public function getBaseHref() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 381 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 382 |  |  |         return $this->getLiteral('skosmos:baseHref', null); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 383 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 384 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 385 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 386 |  |  |      * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 387 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 388 |  |  |     public function getGlobalPlugins() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 389 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 390 |  |  |         $globalPlugins = array(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 391 |  |  |         $globalPluginsResource =  $this->getResource()->getResource("skosmos:globalPlugins"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 392 |  |  |         if ($globalPluginsResource) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 393 |  |  |             foreach ($globalPluginsResource as $resource) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 394 |  |  |                 $globalPlugins[] = $resource->getValue(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 395 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 396 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 397 |  |  |         return $globalPlugins; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 398 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 399 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 400 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 401 |  |  |      * @return boolean | 
            
                                                                                                            
                            
            
                                    
            
            
                | 402 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 403 |  |  |     public function getHoneypotEnabled() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 404 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 405 |  |  |         return $this->getBoolean('skosmos:uiHoneypotEnabled', TRUE); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 406 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 407 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 408 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 409 |  |  |      * @return integer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 410 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 411 |  |  |     public function getHoneypotTime() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 412 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 413 |  |  |         return $this->getLiteral('skosmos:uiHoneypotTime', 5); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 414 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 415 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 416 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 417 |  |  |      * @return boolean | 
            
                                                                                                            
                            
            
                                    
            
            
                | 418 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 419 |  |  |     public function getCollationEnabled() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 420 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 421 |  |  |         return $this->getBoolean('skosmos:sparqlCollationEnabled', FALSE); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 422 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 423 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 424 |  |  |  |